2P>7 



Tlie United States Burean of Education, 

 Keporl of tho Goiiimissioiior of education for tho year 



1884—85. 

 Girculars of informalion and Hullotins for 1885. 



The United States War Department 

 Anniml rejwrt of tlie (Ihiof Sijjnal-Offifcr for y. 1885 1. 2. 



The United States geological Survey. 

 Sixth anniial reporl foi- y. 1884—85 by .1. W. PowcII. 

 Bulletin N:ris 34—89. 

 Monographs Vol. X,XI. 

 Mineral resoiirces of tlie United States 1885. 



The Academy of natural sciences of Philadelphia. 

 Proceeding.s 1880 3. 1887 1. 



Tlie Wagner free Institute of scienre of Philadelphia. 

 Transaction.s. Vol. 1. 



TJie American Academy of arts and sciences, Boston 

 and Cambridge. 

 Proceedings. Vol. XIII 2, XIV 1, 2. 



Tlie Museiviii of comparative ^oology in Cambridge. 

 Aimual report of the Curator 1886 — 87. 

 Bulletin. Vol. XIII 4—8, XVI 1. 

 Memoirs. XVI L 2. 



Tlie California Academy of natural science. 

 Bulletin. Vol. II O, 7. 



The Nev-Orleans Academy of sciences. 

 Papers read befor the Academy 1886 — 87. 



John Hophins University, Baltimore. 

 American .lournal of Mathematics. Vol. IX 2. 4, X 1, 2. 

 Girculars. Vol. VI 56, 5S. 60. 61, 63—65. 



